The first thing that hits you when you walk into Heidi Nestler's house is the smell. There's a musk hanging in the air that you can't really place—unless you've had Japanese natto. The fermented ...
This photo taken Dec. 14, 2025, shows students attending a workshop to taste-test and give feedback about prototypes for a natto-flavored potato chip snack in the city of Fukushima's Sakaemachi ...